Chalk 22 



II G. Sand 21 

 Gault 20 

 L.G.Sand 1 



Iron Sand is 



PurbeckBeds 

 TbrtlandO. 

 Sand 



KLnimeridge Cl. 16 



Oxford Oolite is 

 and Calc Grit H 



Oxford Cla-v 13 



Cornbrash 12 



Forest Marble ol 



Great Oolite 10 



Stone afield 9 



Iron "band 6 



Upper Lias 5 



Marlstone 4 



Lower Lias 3 



tuberadatus 



': vccrans 



Ai 



drrmi 



mni/: veratinatus 



J.rran. 



.- macro cejyluili. 



Amm .- 



